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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Eirenura
Taxonomy
Eirenura was named by Thuy (2011). Its type is Eirenura papillata.
It was assigned to Ophioleucinae by Thuy (2011).
It was assigned to Ophioleucinae by Thuy (2011).
Species
E. kohli, E. papillata (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Eirenura Thuy p. 217 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Thuy 2011 | Small five-armed ophiuroid, dorsal disc and ventral interradial areas completely covered by dense granulation, developing into a fringe of short papillae between the arm bases at the edge of the disc; very large, elongate oral shields encompassed by narrow adoral shields; up to two supplementary plates proximal to oral shields on oral plates; second oral tentacle pore nearly superficial, partly enclosed by first ventral arm plate and adoral shield, covered by four scales; continuous row of seven oral papillae, including two of the scales of the second oral tentacle pore; small conical apical papilla; dorsal shields tiny; tentacle pores very large, covered by up to nine scales; up to nine short and adpressed arm spines. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: Pliensbachian or 190.80000 to 182.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliensbachian | France | E. papillata (106348) |